Arithmetic Sequence and Series
100,120,140,160,…,1000
a,a+d,a+2d,a+3d,a+4d,…,a+(n-1)d
Sequence refers to the terms starting with and following a rule.
Arithmetic sequence has common difference, , between each consecutive term
Series is sum of the terms in the sequence
Arithmetic mean is the average of the two numbers.
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